· 197 CVEs

macOS Sequoia 15.8.2 Security Update

macOS Sequoia 15.8.2 fixes 197 vulnerabilities. Every fix, in Apple's words, with what it could have allowed.

What macOS Sequoia 15.8.2 Fixes

macOS Sequoia 15.8.2, released October 26, 2026, fixes 197 vulnerabilities in 89 parts of the system, according to Apple's security advisory.

Apple does not say that any of them were exploited before the fix. That makes macOS Sequoia 15.8.2 a routine security update: worth installing soon, not an emergency.

It is the newest security release for macOS Sequoia on Apple's list.

What an attacker could doFixes
Run code8
Elevated privileges or sandbox escape58
Private data or protections bypassed42
Crash or denial of service66
Other23

Grouped by us from the impact Apple gives for each fix; the impact lines below are Apple's own.

Which Devices Get macOS Sequoia 15.8.2

Apple lists macOS Sequoia 15.8.2 for: macOS Sequoia.

How to Install macOS Sequoia 15.8.2

On the Mac, open System Settings → General → Software Update. Macs that cannot run the newest macOS are offered the update for their own version there.

Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past macOS Sequoia 15.8.2 there is nothing to do.

Every Fix in macOS Sequoia 15.8.2

All 197 CVEs in Apple's advisory, the most serious kinds first. Each entry is the part of the system affected, Apple's description of the impact and the fix, and the CVE ID.

  • CoreMedia

    Parsing a file may lead to an unexpected app termination or arbitrary code execution

    A memory corruption issue was addressed with improved memory handling.

    CVE-2026-112688

  • CUPS

    An app with App Sandbox restrictions may be able to escape the sandbox and execute code with root privileges

    A use after free issue was addressed with improved memory management.

    CVE-2026-84545

  • dyld

    An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code

    The issue was addressed with improved memory handling.

    CVE-2026-86958

  • Grapher

    Processing a maliciously crafted file may lead to arbitrary code execution

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-86929

  • Kernel

    An unprivileged attacker may be able to execute arbitrary code as root

    A logic issue was addressed with improved state management.

    CVE-2026-112438

  • RemoteManagement

    An application may be able to execute arbitrary code with system privileges

    An authorization issue was addressed with improved access control.

    CVE-2026-112677

  • Screen Sharing Server

    A malicious application may be able to execute arbitrary code with system privileges

    This issue was addressed with improved file handling.

    CVE-2026-112484

  • System Settings

    An attacker may tamper with code-signed applications to execute arbitrary code in the application's context

    A race condition was addressed with additional validation.

    CVE-2026-112556

  • afpfs

    A remote attacker may be able to cause unexpected system termination or corrupt kernel memory

    A buffer overflow was addressed with improved bounds checking.

    CVE-2026-64767

  • APFS

    An app may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112525

  • APFS

    An app may be able to cause unexpected system termination or write kernel memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112536

  • App Store

    A remote attacker may be able to break out of the WebContent sandbox

    This issue was addressed with improved input validation.

    CVE-2026-112690

  • Apple Neural Engine

    An app may be able to cause unexpected system termination or corrupt kernel memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112696

  • AppleAVD

    A malicious app may be able to break out of its sandbox

    An information leakage was addressed with additional validation.

    CVE-2026-112704

  • AVEVideoEncoder

    An app may be able to cause unexpected system termination or corrupt kernel memory

    An out-of-bounds write issue was addressed with improved input validation.

    CVE-2026-112689

  • AVEVideoEncoder

    An app may be able to cause unexpected system termination or corrupt kernel memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112470 CVE-2026-112468 CVE-2026-112469

  • AVEVideoEncoder

    An app may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved input validation.

    CVE-2026-112466

  • CloudKit

    A malicious app may be able to gain root privileges

    A permissions issue was addressed with additional restrictions.

    CVE-2026-86896

  • Compression

    An app may be able to disclose kernel memory

    A memory initialization issue was addressed with improved memory handling.

    CVE-2026-113910

  • configd

    An app may be able to gain root privileges

    A parsing issue in the handling of directory paths was addressed with improved path validation.

    CVE-2026-112545

  • CoreAudio

    An app may be able to cause unexpected system termination or corrupt kernel memory

    An out-of-bounds write was addressed with improved input validation.

    CVE-2026-86969

  • CUPS

    A local attacker may be able to elevate their privileges

    A logic issue was addressed with improved checks.

    CVE-2026-65327

  • CVMS

    An app may be able to gain root privileges

    A logic issue was addressed with improved checks.

    CVE-2026-112530

  • DiskArbitration

    An app may be able to break out of its sandbox

    An access issue was addressed with additional sandbox restrictions.

    CVE-2026-112570

  • dyld

    An app may be able to bypass sandbox restrictions

    This issue was addressed with improved access restrictions.

    CVE-2026-112534

  • GPU Drivers

    An app may be able to cause unexpected system termination or write kernel memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112593

  • HFS

    An app may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112424

  • IOHIDFamily

    An attacker may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112515

  • IOStorageFamily

    An app may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112554

  • IOSurface

    An app may be able to cause unexpected system termination or corrupt kernel memory

    A race condition was addressed with improved locking.

    CVE-2026-112477

  • Kernel

    An app may be able to gain root privileges

    A race condition was addressed with improved state handling.

    CVE-2026-113900

  • Kernel

    An app may be able to cause unexpected system termination or corrupt kernel memory

    The issue was addressed with improved memory handling.

    CVE-2026-112532

  • Kernel

    An app may be able to cause unexpected system termination or corrupt kernel memory

    A use after free issue was addressed with improved memory management.

    CVE-2026-112517

  • Kernel

    An attacker may be able to cause unexpected system termination or corrupt kernel memory

    A use-after-free issue was addressed with improved memory management.

    CVE-2026-112514

  • Kernel

    An app may be able to cause unexpected system termination or write kernel memory

    A use-after-free issue was addressed with improved memory management.

    CVE-2026-84495

  • Kernel

    An app may be able to cause unexpected system termination or corrupt kernel memory

    A use-after-free issue was addressed with improved memory management.

    CVE-2026-65350

  • Kernel

    A malicious app may be able to break out of its sandbox

    A race condition was addressed with additional validation.

    CVE-2026-112543

  • libxpc

    An app may be able to break out of its sandbox

    This issue was addressed with improved permissions checking.

    CVE-2026-112497

  • Metal

    An app may be able to read files outside of its sandbox

    An access issue was addressed with improved access restrictions.

    CVE-2026-84542

  • Printing

    A malicious app may be able to break out of its sandbox

    A parsing issue in the handling of directory paths was addressed with improved path validation.

    CVE-2026-112562

  • quarantine

    An app may be able to break out of its sandbox

    An access issue was addressed with additional sandbox restrictions.

    CVE-2026-112569 CVE-2026-112498

  • Sandbox

    An app with root privileges may be able to access private information

    A permissions issue was addressed with additional restrictions.

    CVE-2026-65392

  • Screen Sharing Server

    A malicious app may be able to gain root privileges

    A permissions issue was addressed with additional restrictions.

    CVE-2026-65373

  • Security

    An app may be able to break out of its sandbox

    The issue was addressed with improved checks.

    CVE-2026-65363

  • Security

    A sandboxed process may be able to circumvent sandbox restrictions

    A buffer overflow was addressed with improved bounds checking.

    CVE-2026-112521

  • Security

    An app may be able to gain root privileges

    A logic issue was addressed with improved checks.

    CVE-2026-112668 CVE-2026-86936 CVE-2026-112437 CVE-2026-112434

  • Security

    An app may be able to gain root privileges

    An authentication issue was addressed with improved validation of user attributes.

    CVE-2026-112430

  • SecurityAgent

    An app may be able to gain root privileges

    A downgrade issue was addressed with additional version checks.

    CVE-2026-112493

  • SMB

    An app may be able to cause unexpected system termination or corrupt kernel memory

    A use-after-free issue was addressed with improved memory management.

    CVE-2026-86946

  • SoftRAID

    An app may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112495

  • Storage

    An app may be able to gain root privileges

    A path handling issue was addressed with improved validation.

    CVE-2026-112487

  • StorageKit

    An app may be able to gain root privileges

    A parsing issue in the handling of directory paths was addressed with improved path validation.

    CVE-2026-112541

  • StorageKit

    An app may be able to gain root privileges

    A race condition was addressed with additional validation.

    CVE-2026-112492

  • StorageKit

    An app may be able to gain root privileges

    A use after free issue was addressed with improved memory management.

    CVE-2026-112548

  • System Settings

    An app may be able to break out of its sandbox

    A path handling issue was addressed with improved validation.

    CVE-2026-112453

  • udf

    An app may be able to disclose kernel memory

    The issue was addressed with improved memory handling.

    CVE-2026-84498

  • udf

    An app may be able to cause unexpected system termination or corrupt kernel memory

    A use-after-free issue was addressed with improved memory management.

    CVE-2026-112524

  • udf

    An app may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112508

  • USB

    A malicious USB device may be able to cause unexpected system termination or read kernel memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112479

  • zsh

    A malicious app may be able to break out of its sandbox

    A validation issue was addressed with improved input sanitization.

    CVE-2026-112555

  • Accounts

    A malicious application may be able to bypass Privacy preferences

    A logging issue was addressed with improved data redaction.

    CVE-2026-113898

  • Apple Intelligence

    An app may be able to access sensitive user data

    An authorization issue was addressed with improved state management.

    CVE-2026-86920

  • AppleMobileFileIntegrity

    A malicious app may be able to read or write to protected files

    A permissions issue was addressed with additional restrictions.

    CVE-2026-112539

  • ArchiveService

    An app may bypass Gatekeeper checks

    A logic issue was addressed with improved state management.

    CVE-2026-86937

  • ArchiveService

    Processing a maliciously crafted file may bypass Gatekeeper checks

    A logic issue was addressed with improved checks.

    CVE-2026-112568

  • Audio

    An app may be able to access sensitive user data

    This issue was addressed with additional entitlement checks.

    CVE-2026-112675

  • BOM

    A maliciously crafted ZIP archive may bypass Gatekeeper checks

    A file quarantine bypass was addressed with additional checks.

    CVE-2026-84610

  • BOM

    A maliciously crafted ZIP archive may bypass Gatekeeper checks

    The issue was addressed with improved checks.

    CVE-2026-112672

  • Calendar

    An app may be able to access sensitive user data

    A permissions issue was addressed with additional restrictions.

    CVE-2026-112678

  • Carbon Core

    An app may be able to access sensitive user data

    A logging issue was addressed with improved data redaction.

    CVE-2026-84528

  • Carbon Core

    An app may bypass Gatekeeper checks

    A file quarantine bypass was addressed with additional checks.

    CVE-2026-86941

  • Control Center

    A malicious application may be able to bypass Privacy preferences

    A permissions issue was addressed with additional restrictions.

    CVE-2026-112462

  • CoreServicesUIAgent

    A maliciously crafted disk image may bypass Gatekeeper checks

    A logic issue was addressed with improved validation.

    CVE-2026-65368

  • DesktopServices

    An app may bypass Gatekeeper checks

    A logic issue was addressed with improved checks.

    CVE-2026-112428

  • FileProvider

    An app may be able to access sensitive user data

    A race condition was addressed with additional validation.

    CVE-2026-113896

  • Game Center

    A user may be able to view sensitive user information

    A logging issue was addressed with improved data redaction.

    CVE-2026-20649

  • Help Viewer

    An app may be able to access user-sensitive data

    This issue was addressed with improved handling of symlinks.

    CVE-2026-112523

  • iCloud

    An app may be able to access sensitive user data

    An access issue was addressed with additional sandbox restrictions.

    CVE-2026-112647

  • IOGPUFamily

    An app may be able to access sensitive user data

    An authorization issue was addressed with improved state management.

    CVE-2026-112533

  • Kernel

    An app may be able to bypass Privacy preferences

    This issue was addressed with improved checks.

    CVE-2026-112624

  • MediaAnalysis

    An app may be able to access sensitive user data

    A race condition was addressed with additional validation.

    CVE-2026-113915

  • Photos Storage

    An app may be able to access sensitive user data

    An authorization issue was addressed with improved state management.

    CVE-2026-65397

  • Photos Storage

    An app may be able to bypass certain Privacy preferences

    An authorization issue was addressed with improved state management.

    CVE-2026-112660

  • Photos Storage

    An app may be able to access a user's Photos Library

    This issue was addressed with additional entitlement checks.

    CVE-2026-112676

  • quarantine

    A malicious application may bypass Gatekeeper checks

    This issue was addressed with improved validation of file attributes.

    CVE-2026-64789

  • Screen Sharing Server

    An attacker with the legacy VNC password for Screen Sharing may be able to copy files to the Mac

    An authorization issue was addressed with improved state management.

    CVE-2026-112473

  • Security

    Processing web content may disclose sensitive information

    An input validation issue was addressed with improved input validation.

    CVE-2026-113913

  • Security

    An app may be able to access sensitive user data

    A privacy issue was addressed with improved memory management.

    CVE-2026-86931

  • Security

    A local attacker may gain access to user's Keychain items

    This issue was addressed with improved permissions checking.

    CVE-2026-28864

  • Security

    An malicious app may be able to bypass certificate validation

    A logic issue was addressed with improved state management.

    CVE-2026-112652

  • Shortcuts

    An app may be able to access sensitive user data

    An authorization issue was addressed with improved state management.

    CVE-2026-112559 CVE-2026-112455

  • Siri

    An app may be able to access information about a user's contacts

    A file access issue existed with certain home folder files. This was addressed with improved access restrictions.

    CVE-2026-86984

  • Siri

    An app may be able to access sensitive user data

    An information disclosure issue was addressed with improved privacy controls.

    CVE-2026-86923

  • Spotlight

    A malicious application may be able to bypass Privacy preferences

    This issue was addressed with improved checks.

    CVE-2026-112567

  • Spotlight

    An app may be able to access sensitive user data

    A permissions issue was addressed with additional sandbox restrictions.

    CVE-2026-112558

  • Spotlight

    A malicious application may be able to bypass Privacy preferences

    The issue was addressed with improved checks.

    CVE-2026-112557

  • Spotlight

    An app may be able to access sensitive user data

    This issue was addressed with improved data access restriction.

    CVE-2026-112628

  • Spotlight

    An app may be able to access sensitive user data

    This issue was addressed by removing the vulnerable code.

    CVE-2026-112441

  • System Settings

    An app may be able to bypass Gatekeeper checks

    A path handling issue was addressed with improved validation.

    CVE-2026-112512

  • Time Machine

    An app may be able to bypass Privacy preferences

    An authorization issue was addressed with improved state management.

    CVE-2026-112447

  • Wi-Fi

    An app may be able to read sensitive location information

    This issue was addressed with improved data protection.

    CVE-2026-112537

  • Accelerate

    An app may be able to cause a denial-of-service

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-28991

  • Accelerate Framework

    Processing a maliciously crafted image may lead to unexpected app termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-86971

  • Apple Neural Engine

    An app may be able to cause unexpected system termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-84595

  • AppleAVD

    Processing a maliciously crafted video file may lead to unexpected app termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112416

  • AppleAVD

    An app may be able to cause unexpected system termination or corrupt process memory

    An out-of-bounds write was addressed with improved input validation.

    CVE-2026-112415

  • AppleRAID

    An app may be able to cause unexpected system termination

    A use after free issue was addressed with improved memory management.

    CVE-2026-112531

  • Audio

    Processing a maliciously crafted file may lead to unexpected app termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112546

  • AVEVideoEncoder

    An app may be able to cause unexpected system termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112705

  • BOM

    Processing a maliciously crafted file may lead to heap corruption

    An out-of-bounds write issue was addressed with improved input validation.

    CVE-2026-112670

  • Core Image

    Processing a maliciously crafted image may lead to unexpected process termination

    A buffer overflow was addressed with improved bounds checking.

    CVE-2026-112471

  • CoreAudio

    An app may be able to cause unexpected system termination or corrupt process memory

    A race condition was addressed with improved locking.

    CVE-2026-112708

  • CoreAudio

    Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory

    An out-of-bounds access issue was addressed with improved bounds checking.

    CVE-2026-113912

  • CoreAudio

    An app may be able to cause unexpected system termination or corrupt process memory

    A buffer overflow issue was addressed with improved memory handling.

    CVE-2026-113907

  • CoreAudio

    An attacker in radio range may be able to cause unexpected system termination

    A heap buffer overflow was addressed with improved bounds checking.

    CVE-2026-112638

  • CoreGraphics

    Processing a maliciously crafted PDF file may lead to memory corruption

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112610 CVE-2026-112611

  • CoreMedia

    Processing a maliciously crafted video file may lead to unexpected app termination

    The issue was addressed with improved memory handling.

    CVE-2026-86992

  • Disk Images

    An app may be able to cause a denial-of-service

    A buffer overflow was addressed with improved bounds checking.

    CVE-2026-112502

  • FontParser

    Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112683

  • Heimdal

    A remote attacker may cause an unexpected process termination

    A double free issue was addressed with improved memory management.

    CVE-2026-112410

  • Heimdal

    An app may be able to cause a denial-of-service

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-86942

  • HFS

    An app may be able to cause unexpected system termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112475

  • HFS

    Processing a maliciously crafted file may lead to heap corruption

    An out-of-bounds write issue was addressed with improved input validation.

    CVE-2026-112456

  • ImageIO

    Processing a maliciously crafted image may result in memory corruption

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-64750

  • ImageIO

    Processing a maliciously crafted image may lead to unexpected app termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-86954 CVE-2026-112629 CVE-2026-112634

  • ImageIO

    Processing a maliciously crafted image may result in memory corruption

    An integer underflow was addressed with improved input validation.

    CVE-2026-112625

  • ImageIO

    Processing a maliciously crafted image may lead to unexpected app termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112633

  • Kernel

    An app may be able to cause unexpected changes to copy-on-write memory

    A memory integrity issue was addressed with improved handling of copy-on-write pages.

    CVE-2026-112576

  • Kernel

    An app may be able to cause unexpected system termination

    A type confusion issue was addressed with improved memory handling.

    CVE-2026-112606

  • Kernel

    An app may be able to cause unexpected system termination

    A use-after-free issue was addressed with improved memory management.

    CVE-2026-112516

  • Kernel

    An app may be able to cause unexpected system termination

    The issue was addressed with improved memory handling.

    CVE-2026-112698

  • Kernel

    An app may be able to cause unexpected system termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112476

  • Kernel

    An app may be able to cause unexpected system termination

    A race condition was addressed with improved state handling.

    CVE-2026-112501

  • libarchive

    Processing a maliciously crafted file may lead to unexpected app termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112522

  • Mail

    A remote attacker may be able to cause a denial-of-service

    A resource exhaustion issue was addressed with improved input validation.

    CVE-2026-112671

  • Mail

    Processing a maliciously crafted message may lead to a denial-of-service

    A stack overflow was addressed with improved input validation.

    CVE-2026-112414

  • Model I/O

    Processing a maliciously crafted 3D model may lead to memory corruption

    An integer overflow was addressed with improved input validation.

    CVE-2026-112565 CVE-2026-112449

  • Model I/O

    Processing a maliciously crafted file may lead to unexpected app termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112563 CVE-2026-112553

  • Model I/O

    Processing a maliciously crafted file may lead to unexpected app termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112413

  • Model I/O

    Processing a maliciously crafted 3D model may lead to memory corruption

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112461

  • Model I/O

    Processing a maliciously crafted 3D model may lead to memory corruption

    The issue was addressed with improved memory handling.

    CVE-2026-112485

  • Model I/O

    Processing a 3D model may lead to unexpected app termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112486

  • ncurses

    An app may be able to cause a denial-of-service

    A type confusion issue was addressed with improved memory handling.

    CVE-2026-112550

  • OpenBSM

    Processing a maliciously crafted audit file may corrupt process memory

    A stack buffer overflow was addressed through improved input validation.

    CVE-2026-84604

  • ppp

    An app may be able to cause unexpected system termination

    The issue was addressed with improved checks.

    CVE-2026-113899

  • RealityKit

    Processing a maliciously crafted file may lead to unexpected app termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112491

  • Remote Management

    An attacker on the local network may be able to cause unexpected system termination or corrupt process memory

    A double free issue was addressed with improved memory management.

    CVE-2026-112457

  • SceneKit

    Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112423

  • SceneKit

    Processing a maliciously crafted file may lead to unexpected app termination

    An integer overflow was addressed with improved input validation.

    CVE-2026-112540

  • SceneKit

    Processing a maliciously crafted file may lead to heap corruption

    An out-of-bounds write issue was addressed with improved input validation.

    CVE-2026-112464

  • SceneKit

    Processing a maliciously crafted file may lead to unexpected process termination

    A buffer overflow was addressed with improved bounds checking.

    CVE-2026-86991

  • Screen Sharing

    Connecting to a malicious VNC server may cause a denial-of-service

    An integer overflow was addressed with improved input validation.

    CVE-2026-112519

  • Screen Sharing Server

    An attacker on the local network may be able to corrupt process memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112482

  • Screen Sharing Server

    A remote attacker may be able to cause unexpected app termination or heap corruption

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-84590

  • Screen Sharing Server

    An attacker on the local network may be able to cause unexpected process termination or disclose process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112481

  • Shortcuts

    An app may be able to cause a denial-of-service

    An integer overflow was addressed with improved input validation.

    CVE-2026-112601

  • SMB

    An attacker with control of a network file server may be able to cause unexpected system termination

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112552

  • smbx

    A remote attacker may be able to cause unexpected app termination

    A buffer overflow was addressed with improved bounds checking.

    CVE-2026-112526

  • smbx

    A remote attacker may be able to cause a denial-of-service or disclose process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112451

  • smbx

    A remote attacker may be able to cause a denial-of-service

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112510

  • smbx

    A malicious Screen Sharing peer may be able to corrupt process memory

    An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2026-112505

  • udf

    An app may be able to cause unexpected system termination

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112529

  • ColorSync

    Processing a maliciously crafted file may disclose process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112429

  • copyfile

    An app may be able to modify protected parts of the file system

    This issue was addressed with improved handling of symlinks.

    CVE-2026-86966

  • CoreText

    Processing a maliciously crafted font may result in the disclosure of process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112656

  • Directory Utility

    An app may be able to modify protected parts of the file system

    A path handling issue was addressed with improved validation.

    CVE-2026-112483

  • FontParser

    Processing a maliciously crafted font may result in the disclosure of process memory

    An out-of-bounds read was addressed with improved input validation.

    CVE-2026-86970

  • FontParser

    Processing a maliciously crafted font may result in the disclosure of process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112642

  • ImageIO

    Processing a maliciously crafted image may result in disclosure of process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112561 CVE-2026-112560 CVE-2026-112627

  • ImageIO

    Processing a maliciously crafted image may result in disclosure of process memory

    A memory initialization issue was addressed with improved memory handling.

    CVE-2026-112571

  • ImageIO

    Processing a maliciously crafted image may result in disclosure of process memory

    An uninitialized memory issue was addressed with improved memory handling.

    CVE-2026-112632 CVE-2026-112630

  • libcryptex

    A malicious app may be able to create files in protected directories

    This issue was addressed with improved checks.

    CVE-2026-86945

  • PackageKit

    An app may be able to modify protected parts of the file system

    A race condition was addressed with improved handling of symbolic links.

    CVE-2026-112421

  • PackageKit

    An app may be able to modify protected parts of the file system

    A race condition was addressed with additional validation.

    CVE-2026-112442

  • ppp

    A malicious app may be able to intercept network traffic

    A permissions issue was addressed with additional restrictions.

    CVE-2026-112542

  • Remote Management

    A user with screen sharing access may be able to view another user's screen

    A permissions issue was addressed with additional restrictions.

    CVE-2026-112480

  • SceneKit

    Processing a 3D model may result in disclosure of process memory

    An out-of-bounds read was addressed with improved bounds checking.

    CVE-2026-112425

  • Screen Sharing Server

    A malicious Screen Sharing peer may be able to create arbitrary symlinks as root

    A path handling issue was addressed with improved logic.

    CVE-2026-112511

  • Siri

    A malicious app may be able to access notifications from other iCloud devices

    A privacy issue was addressed by moving sensitive data to a protected location.

    CVE-2026-20648

  • StorageKit

    An app may be able to modify protected parts of the file system

    A race condition was addressed with improved handling of symbolic links.

    CVE-2026-112535

  • StorageKit

    An app may be able to modify protected parts of the file system

    A parsing issue in the handling of directory paths was addressed with improved path validation.

    CVE-2026-112504

  • WindowServer

    An app may be able to monitor keystrokes without user permission

    The issue was addressed with improved handling of secure input state.

    CVE-2026-112575

macOS Sequoia Security Release History

macOS Sequoia 15.8.2 in context: the security releases Apple has published for macOS Sequoia, newest first, with the number of fixes each carried.

ReleaseReleasedFixes
macOS Sequoia 15.8.2October 26, 2026197
macOS Sequoia 15.8.1September 28, 20261 Exploited
macOS Sequoia 15.8September 14, 2026180
macOS Sequoia 15.7.9August 6, 20261
macOS Sequoia 15.7.8July 27, 2026148
macOS Sequoia 15.7.7May 11, 202647

The Same Fixes Elsewhere

Apple ships most fixes to every platform that shares the code, and to older versions still under support. These releases close at least one of the same CVEs:

Frequently Asked Questions

What does macOS Sequoia 15.8.2 fix?

197 security vulnerabilities in 89 parts of the system, from Apple's advisory of October 26, 2026. 8 could have let an attacker run code.

Was anything fixed in macOS Sequoia 15.8.2 exploited?

Apple does not say so for any of the 197 fixes.

Which devices can install macOS Sequoia 15.8.2?

macOS Sequoia.

Is macOS Sequoia 15.8.2 the latest security update?

It is the newest security release for macOS Sequoia on Apple's list.

Source: About the security content of macOS Sequoia 15.8.2, Apple. Rechecked automatically while Apple is still adding entries.

Every Apple security update